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Analog Devices Inc. AD9234BCPZ-1000
- Part No.:
- AD9234BCPZ-1000
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD9234BCPZ-1000.pdf
- Description:
- IC ADC 12BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,802
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Product details
Overview
AD9234BCPZ-1000 from Analog Devices is a dual-channel, 12-bit, 1 GSPS analog-to-digital converter with JESD204B Subclass 1 serial interface, 2 GHz full-power analog input bandwidth, −151 dBFS/Hz noise density, and 79 dBFS SFDR at 340 MHz - deployed in digital predistortion observation paths and wideband satellite receivers.
For engineers reviewing the AD9234BCPZ-1000 datasheet, AD9234BCPZ-1000 pinout, AD9234BCPZ-1000 application, or AD9234BCPZ-1000 equivalent, key selection criteria include deterministic latency support, dual-channel crosstalk isolation (95 dB), flexible JESD204B lane configuration (1/2/4 lanes), and programmable fast detect for AGC timing-critical systems.
Technical Context
The AD9234BCPZ-1000 implements two independent pipelined ADC cores with integrated error correction logic, each supporting buffered differential inputs and optional decimate-by-2 digital downconversion (DDC). It uses a multistage architecture optimized for high linearity and low power at 1 GSPS.
Its JESD204B Subclass 1 serializer supports deterministic latency via SYSREF± synchronization, integer clock division (÷1/÷2/÷4/÷8), and configurable lane count (L = 1/2/4) with M = 2 converters and F = 1 octets per frame - enabling precise multichip timing alignment in phased-array and MIMO systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - delivers 4096 discrete amplitude levels per sample, sufficient for high-fidelity IF sampling in LTE and DOCSIS 3.0 CMTS applications. |
| Max Sample Rate | 1 GSPS - enables digitization of signals up to 500 MHz Nyquist bandwidth without aliasing in full-bandwidth mode. |
| Analog Input BW | 2 GHz - supports direct RF sampling of L/S-band signals and wideband IFs without external amplification or filtering degradation. |
| SFDR @ 340 MHz | 79 dBFS - ensures spurious-free dynamic range adequate for demanding communications receivers requiring >75 dB adjacent channel rejection. |
| Noise Density | −151 dBFS/Hz - translates to ~1.02 LSB rms input-referred noise, critical for maintaining ENOB >10 bits across wide input frequencies. |
| Power Dissipation | 3.3 W total (1.5 W/channel) - balances performance and thermal management in compact 9 mm × 9 mm LFCSP packages. |
| Crosstalk | 95 dB - guarantees minimal inter-channel interference in diversity receiver architectures where channel independence is essential. |
| Deterministic Latency | Supported via SYSREF± and Subclass 1 - enables synchronized sampling across multiple AD9234BCPZ-1000 devices in time-coherent beamforming systems. |
Pinout & Package
AD9234BCPZ-1000 is housed in a 64-lead, 9 mm × 9 mm LFCSP package with exposed thermal pad (EP). Pin assignments are validated per Analog Devices' AD9234 Rev. B datasheet, Figure 12 (Pin Configuration and Function Descriptions), and match the functional block diagram on page 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN–A | Differential analog input Channel A | Accepts 1.34 V p-p full-scale differential signal; supports 400 Ω to 50 Ω programmable termination for filter interface flexibility. |
| VIN+B / VIN–B | Differential analog input Channel B | Independent input path with same specs as Channel A; 95 dB isolation prevents coupling in dual-path receivers. |
| CLK+ / CLK– | Differential clock input | LVDS/LVPECL-compatible; aperture jitter of 55 fs rms enables high SNR at RF frequencies. |
| SYSREF+ / SYSREF– | Subclass 1 synchronization reference | Enables deterministic latency across multiple devices; setup/hold window defined per Table 5 (tSU_SR = 117 ps, tH_SR = −96 ps). |
| SERDOUT0± to SERDOUT3± | JESD204B serial output lanes | CML outputs; support 3.125–12.5 Gbps lane rates; configurable for 1/2/4-lane operation depending on system FPGA capability. |
| FD_A / FD_B | Fast overrange detect outputs | CMOS outputs with 28-cycle latency; used for real-time AGC control loops without SPI intervention. |
| SDIO / SCLK / CSB | 3-wire SPI interface | Configures DDC, gain, threshold, and power modes; operates from 1.8 V to 3.3 V supply (SPIVDD). |
| AVDD1/2/3, DVDD, DRVDD | Supply rails | Separate 1.25 V (core), 2.5 V (buffer), 3.3 V (I/O), and 1.25 V (serializer) domains minimize noise coupling between analog/digital sections. |
Key Features
| Feature | Design Value |
|---|---|
| Subclass 1 JESD204B interface | Enables deterministic latency and multidevice synchronization via SYSREF±, required for coherent MIMO and phased-array radar. |
| Programmable input termination | 400 Ω / 200 Ω / 100 Ω / 50 Ω differential options simplify anti-alias filter design and improve impedance matching across frequency bands. |
| Decimate-by-2 DDC per channel | Reduces output data rate by half while preserving baseband signal integrity - lowers FPGA processing load in digital predistortion feedback paths. |
| Amplitude detect bits + fast detect | Provides low-latency (28 cycles) overrange indication for closed-loop AGC, avoiding ADC saturation in burst-mode wireless systems. |
| Buffered analog inputs | High-impedance, low-capacitance (1.5 pF) inputs reduce sensitivity to external filter component tolerances and PCB layout parasitics. |
| Internal voltage reference | 1.0 V reference eliminates need for external precision reference, reducing BOM count and improving temperature stability (±6 ppm/°C drift). |
Applications
| Communications Receiver | Digital Predistortion Observation |
|---|---|
Use Scenario: Diversity multiband receiver in 4G/LTE base station supporting simultaneous 3G/4G/W-CDMA bands. IC Role / Device Role / Timing Role: Dual-channel ADC digitizes I/Q downconverted signals from two antenna paths with 95 dB channel isolation. Use Value: 2 GHz analog input bandwidth allows direct sampling of 1.9 GHz LTE signals; JESD204B Subclass 1 ensures synchronized capture across both channels for accurate spatial processing. | Use Scenario: Observation path in GaN PA linearization loop capturing transmit signal after coupler and attenuation. IC Role / Device Role / Timing Role: High-speed digitizer feeding FPGA-based DPD algorithm with minimal latency and deterministic timing alignment to main Tx path. Use Value: 1 GSPS sampling captures wideband PA distortion products; fast detect outputs trigger immediate gain adjustment before clipping occurs. |
| Ultrawideband Satellite Receiver | HFC Reverse Path Receiver |
Use Scenario: Ground station front-end receiving L/S-band satellite telemetry with 500 MHz instantaneous bandwidth. IC Role / Device Role / Timing Role: Dual ADC core processes upper/lower sideband simultaneously using internal DDC to extract baseband I/Q. Use Value: −151 dBFS/Hz noise density preserves weak signal SNR; 79 dBFS SFDR suppresses harmonics from strong adjacent carriers in crowded spectrum. | Use Scenario: DOCSIS 3.0 CMTS upstream receive module handling 5–42 MHz reverse-path signals from multiple subscribers. IC Role / Device Role / Timing Role: Digitizes filtered analog upstream channel with 1.34 V p-p full-scale input and programmable 100 Ω termination. Use Value: Low DNL (±0.16 LSB) and INL (±0.35 LSB) ensure accurate constellation mapping for 256-QAM upstream modulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9234BCPZ-500 | Same architecture and pinout, but rated for 500 MSPS max sample rate; lower power (2.5 W total) and improved SNR (65.6 dBFS @ 340 MHz). | Better suited for cost-sensitive or thermally constrained designs where 500 MSPS meets Nyquist requirements (e.g., sub-250 MHz IF sampling). | Select AD9234BCPZ-500 when system bandwidth ≤250 MHz and power budget <2.5 W is mandatory. |
| AD9680BCPZ-1000 | 14-bit resolution, same 1 GSPS rate and 64-lead LFCSP package; higher SFDR (82 dBFS @ 340 MHz) but higher power (3.8 W total). | Preferred for applications needing higher dynamic range (e.g., spectrum analyzers, test equipment) where 2-bit ENOB gain justifies extra power and cost. | Choose AD9680BCPZ-1000 when ENOB >11 bits is required and thermal design accommodates +0.5 W additional dissipation. |
Compared with AD9234BCPZ-500 and AD9680BCPZ-1000, the AD9234BCPZ-1000 uniquely balances 12-bit resolution, 1 GSPS throughput, and 3.3 W power in a pin-compatible footprint - making it optimal for communications infrastructure where SNR, SFDR, and deterministic latency must coexist within strict thermal envelopes.
Availability
AD9234BCPZ-1000 is available at Aetrix Electronics and suitable for digital predistortion observation paths, ultrawideband satellite receivers, and HFC reverse-path receivers requiring stable component supply and long-term production continuity.
Supply support for AD9234BCPZ-1000 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD9234 product line delivers high-speed, low-power dual-channel ADCs optimized for communications infrastructure, instrumentation, and defense electronics - emphasizing JESD204B synchronization, wide analog bandwidth, and flexible digital features.
FAQ
What is the maximum analog input frequency supported by the AD9234BCPZ-1000?
The AD9234BCPZ-1000 supports a 2 GHz full-power analog input bandwidth, verified per datasheet Figure 64 and Table 2. This enables direct sampling of L-band (1–2 GHz) and S-band (2–4 GHz) signals when undersampled, or full Nyquist-band digitization up to 500 MHz at 1 GSPS. Performance remains specified through 1.41 GHz per AC specifications.
Does the AD9234BCPZ-1000 support deterministic latency, and how is it implemented?
Yes, the AD9234BCPZ-1000 supports deterministic latency via JESD204B Subclass 1 compliance. It uses the SYSREF± differential input to align internal frame and multi-frame clocks across devices. Latency is fixed at 55 clock cycles (pipeline) and 28 cycles (fast detect), with register-controlled adjustments documented in Tables 15–17 of the Rev. B datasheet.
Can the AD9234BCPZ-1000 operate with a single-ended clock input?
No - the AD9234BCPZ-1000 requires a differential clock input (CLK+/CLK−) compliant with LVDS or LVPECL standards, as specified in Table 3. Single-ended drive violates common-mode voltage and swing requirements and degrades aperture jitter, directly impacting SNR and SFDR performance.
What are the supply voltage requirements for the AD9234BCPZ-1000?
The AD9234BCPZ-1000 requires five independent supplies: AVDD1 = 1.25 V (±3%), AVDD2 = 2.5 V (±2.5%), AVDD3 = 3.3 V (±3%), DVDD = 1.25 V (±3%), and DRVDD = 1.25 V (±3%). SPIVDD may range from 1.8 V to 3.3 V. All rails must be properly decoupled per datasheet Figure 106 recommendations.
Is the AD9234BCPZ-1000 pin-compatible with other members of the AD9234 family?
Yes - the AD9234BCPZ-1000 shares identical 64-lead LFCSP packaging and pinout with AD9234BCPZ-500, as confirmed in the Product Highlights section (Page 1) and Pin Configuration table (Page 12). This allows drop-in replacement between speed grades without PCB redesign.
AD9234BCPZ-1000 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-WFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 1G
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- JESD204B
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 1.22V ~ 1.28V, 2.44V ~ 2.56V
- Voltage - Supply, Digital:
- 1.22V ~ 1.28V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-LFCSP (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9234BCPZ-1000 FAQ
1.How can I place an order for AD9234BCPZ-1000 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9234BCPZ-1000 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD9234BCPZ-1000 reliable?
The price and inventory of AD9234BCPZ-1000 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9234BCPZ-1000 is usually 5 days.
3.What payment methods are accepted for AD9234BCPZ-1000?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9234BCPZ-1000 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9234BCPZ-1000?
AD9234BCPZ-1000 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9234BCPZ-1000 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD9234BCPZ-1000?
For technical support, including AD9234BCPZ-1000 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9234BCPZ-1000 requirements.
6.How does Aetrix verify that AD9234BCPZ-1000 is sourced from the original manufacturer or authorized distributors?
All AD9234BCPZ-1000 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD9234BCPZ-1000 meets industry standards.
7.What is the process for return or replacement of AD9234BCPZ-1000?
All AD9234BCPZ-1000 units undergo pre-shipment inspection (PSI). If there is an issue with AD9234BCPZ-1000, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD9234BCPZ-1000 part is unused and in its original packaging.
Return procedure for AD9234BCPZ-1000:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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